<template>
	<div>
		<div class="search">
			<input type="text" v-model="keyword" class="search-input" placeholder="输入城市名或拼音">
		</div>
		<div class="search-content" ref="search" v-show="keyword">
			<ul>
				<li class="search-item border-bottom" v-for="item of list" :key="item.id" @click="handleCityClick(item.name)">{{item.name}}</li>
				<li class="search-item border-bottom" v-show="hasNoData">没有找到匹配数据</li>
			</ul>
		</div>
	</div>
</template>

<script>
	import BScroll from 'better-scroll'
	import {mapMutations} from 'vuex'
	export default {
		name: 'CitySearch',
		props: {
			cities: Object
		},
		data(){
			return{
				keyword:'',
				list:[],
				timer:null
			}
		},
		computed:{
			hasNoData(){
				return !this.list.length
			}
		},
		watch:{
			keyword(){
				if(this.timer){
					clearTimeout(this.timer)
				}
				if (!this.keyword) {
					this.list = []
					return
				}
				this.timer = setTimeout(()=>{
					const result = []
					for(let i in this.cities){
						this.cities[i].forEach((value)=>{
							if(value.spell.indexOf(this.keyword)>-1 ||value.name.indexOf(this.keyword)>-1){
								result.push(value)
							}
						})
					}
					this.list = result
				},100)
			}
		},
		methods:{
			handleCityClick(city){
				// this.$store.dispatch('changeCity',city)
				this.changeCity(city)
				this.$router.push('/')
			},
			...mapMutations(['changeCity'])
		},
		mounted(){
			this.scroll = new BScroll(this.$refs.search,{
				click: true
			})
		}
	}
</script>

<style lang="stylus" scoped>
	@import '~styles/varibles.styl'
	.search
		height:.72rem
		padding:0 .1rem
		background:$bgColor
		.search-input
			box-sizing:border-box
			width:100%
			height:.62rem
			line-height:.62rem
			padding:0 .1rem
			text-align:center
			border-radius:.06rem
			color:#666
	.search-content
		z-index:1
		overflow:hidden
		position:absolute
		top:1.58rem
		left:0
		right:0
		bottom:0
		background:#eee
		.search-item
			line-height: 0.76rem
			padding-left: 0.2rem
			background:#fff
			color:#666
</style>
